{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Here , we assessed the activity of Silibinin on apoptosis and cell - cycle arrest in human gastric cells culture system using SGC - 7901 as the model ."}
{"Chemical": ["Silibinin"]}